Title

Directly observed therapy (DOT) and timely treatment completion among Asian-born immigrant tuberculosis patients

Document Type

Article

Publication Date

8-9-2005

Journal / Book Title

The International Journal of Tubercule and Lung Disease

Abstract

SETTING: A large urban tuberculosis (TB) control program. OBJECTIVES: To identify factors associated with directly observed therapy (DOT) participation and to quantify how early use of DOT affected treatment duration. DESIGN: A retrospective study of 731 Asian-born patients with drug-susceptible Mycobacterium tuberculosis isolates who were verified in New York City between 1993 and 1997 and completed treatment. RESULTS: Overall, 297 (41%) of 731 patients in the study participated in DOT for some or all of their TB treatment. DOT participation was significantly associated with TB disease in a pulmonary site (adjusted odds ratio [aOR] 2.85, 95%CI 1.86–4.35), more recent year of diagnosis (aOR 1.70, 95%CI 1.50–1.94) and male sex (aOR 1.86, 95%CI 1.30–2.66). Patients who received ≥70% of their TB treatment at a health department chest clinic were also significantly more likely to participate in DOT (aOR 3.83, 95%CI 2.55–5.74). Among 297 DOT patients, those who completed treatment by 9 months received a greater amount of treatment by DOT during the first 4 months of treatment than those who took longer to complete treatment. CONCLUSION: Earlier DOT participation can lead to overall shorter treatment duration. Health care providers should encourage TB patients to participate in DOT as early as possible in their TB treatment.

Published Citation

Liu SY, Li JH, Schluger NW. DOT and timely treatment completion among Asian-born immigrant tuberculosis patients. The International Journal of Tuberculosis and Lung Disease. 2005 Aug 1;9(8):884-9.

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